Mason takes his pulse. he counts 48 beats in 2/3 minute. mason goes on a bike ride and takes his pulse again. now he counts 81 beats in 3/4 minute. how many beats per minute did masons heart rate increase

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

How much would it be worth in 5, 10, 20 years

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday